Fix an issue where HLS fragments would become too short when pts was low.

diff --git a/stream.cpp b/stream.cpp
index 7ea8a956ee7addf099bb586ef41686decd91dbfc..2c7c42ed75154fbff911fcdcf53421c7dd7500e3 100644 (file)
--- a/stream.cpp
+++ b/stream.cpp
@@ -394,7 +394,7 @@ bool Stream::add_fragment_boundary(size_t byte_position, const RationalPTS &pts)
        // (RFC 8216 4.3.3.1) and we get closer to the target by doing so.
        // Note that in particular, this means we'll always extend
        // as long as we don't exceed the target duration.
-       double current_duration = fragments[fragments.size() - 1].pts;
+       double current_duration = pts_double - fragments[fragments.size() - 1].pts;
        double candidate_duration = pts_double - fragments[fragments.size() - 2].pts;
        if (lrintf(candidate_duration) <= hls_frag_duration &&
            fabs(candidate_duration - hls_frag_duration) < fabs(current_duration - hls_frag_duration)) {